Index: lightbox2.admin.inc
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/lightbox2/Attic/lightbox2.admin.inc,v
retrieving revision 1.1.2.28
diff -u -p -r1.1.2.28 lightbox2.admin.inc
--- lightbox2.admin.inc	22 Feb 2010 17:34:52 -0000	1.1.2.28
+++ lightbox2.admin.inc	1 Mar 2010 17:08:10 -0000
@@ -252,6 +252,7 @@ function lightbox2_general_settings_form
       1 => t('Group by field name'),
       2 => t('Group by node id'),
       3 => t('Group by field name and node id'),
+      4 => t('Group all nodes and fields'),
     );
 
     // Add checkbox for emfield emimage grouping.
Index: lightbox2.formatter.inc
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/lightbox2/Attic/lightbox2.formatter.inc,v
retrieving revision 1.1.2.20
diff -u -p -r1.1.2.20 lightbox2.formatter.inc
--- lightbox2.formatter.inc	22 Feb 2010 17:34:52 -0000	1.1.2.20
+++ lightbox2.formatter.inc	1 Mar 2010 17:08:10 -0000
@@ -215,6 +215,9 @@ function theme_imagefield_image_imagecac
   elseif ($imagefield_grouping == 3 && !empty($item['nid'])) {
     $full_rel = $rel .'['. $field_name .'_'. $item['nid'] .']['. $caption .']';
   }
+  elseif ($imagefield_grouping == 4 ) {
+    $full_rel = $rel .'[allnodes]['. $caption .']';
+  }
   elseif (isset($args['rel_grouping'])) {
     $full_rel = $rel .'['. $args['rel_grouping'] .']['. $caption .']';
   }